6522820873 has 4 divisors (see below), whose sum is σ = 6553734928. Its totient is φ = 6491906820.

The previous prime is 6522820817. The next prime is 6522820879. The reversal of 6522820873 is 3780282256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6522820873 - 2⁹ = 6522820361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6522820879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15456711 + ... + 15457132.

It is an arithmetic number, because the mean of its divisors is an integer number (1638433732).

Almost surely, 2^6522820873 is an apocalyptic number.

It is an amenable number.

6522820873 is a deficient number, since it is larger than the sum of its proper divisors (30914055).

6522820873 is a wasteful number, since it uses less digits than its factorization.

6522820873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914054.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 6522820873 is about 80763.9825231520. The cubic root of 6522820873 is about 1868.4371084545.

The spelling of 6522820873 in words is "six billion, five hundred twenty-two million, eight hundred twenty thousand, eight hundred seventy-three".